Ex-Pro® 2 in 1 USB OTG Card Reader for SD SDHC Galaxy Tab 7.7 Tab 8.9 Tab 10.1
In addition, it supports through Female OTG USB standard port a USB keyboard, USB mouse or USB Flash Disk/Pen Drive directly with your Galaxy Tab. > Ex-Pro Galaxy Tab OTG Connection Kit/SD/SDHC Card Reader (black).